Q4 Tail Light Brake sensor USB with 7 Lighting Colors

For those who love smart tech, our ROCKBROS Smart Bike Brake & Tail Light Q4 is the ideal way to illuminate and keep you safe when riding at night and show other road users when you're braking. With an in-built sensor, this light comes on when you hit your brakes. It installs to your saddle easily and is made from a rugged aluminium alloy. Key Features: Bright red LED light with brake light smart tech The brake light illuminates automatically when you brake Five main light modes - red slow flashing / red/blue/purple breathing / red/blue/purple flash / red constant Three light modes for differe...